1. Brief introduction

The electric rectangular lock gas flap discharging dust valve is generally used as dust funnel locking gas discharging dust devices for various dust filtering equipments and various mill machine, drying machine, material silo, canister silo and closed transmission system in the industrial sectors of building materials, metallurgy, petrochemical and power industries. This kind of valve is composed of cam, link rod with driving, and spring with automatic resetting. It features are that it has a compact structure, reasonable design, stable operation, reliable dust discharging and gas locking. Besides it has functions of intermittent feeding and control for transporting material, so it is ideal equipment for projects of feeding and discharging material.